Daily Sunspot Evaluation
Observation Sheet Saturday, 7 June 1969
There is no typed record for this day. The values below were read by computer from the table on the sheet; when in doubt, see the drawing. Details →
- Number of groups (g)
- 9
- Number of spots (f)
- 94
- Relative number (R)
- 184
- Observer
- MÖ
- Reading
- all checks consistent
- File
- 19690607.jpg
Sunspot groups
| No | Group (class – spots) | B | Δ L | L | Δ Lf | U | Margin no. |
|---|---|---|---|---|---|---|---|
| 1 | C – 28 | 10 | 13E | 118 | |||
| 2 | J – 2 | 16 | 25E | 106 | |||
| 3 | H – 6 | 8 | 26E | 105 | |||
| 4 | H – 6 | 16 | 57E | 74 | |||
| 5 | E – 18 | 11 | 42E | 89 | |||
| 6 | E – 27 | -16 | 41E | 90 | |||
| 7 | A – 2 | -14 | 17E | 114 | |||
| 8 | A – 2 | -10 | 18W | 149 | |||
| 9 | A – 3 | -11 | 40W | 171 |
Class as written on the sheet (? = group the observer marked as uncertain). ⚠: the coordinates of this row do not agree with each other.